Battery pack



FIG. 1 is a front elevational view of a battery pack showing my new design;

FIG. 2 is a left side elevational view;

FIG. 3 is a right side elevational view;

FIG. 4 is a bottom plan view;

FIG. 5 is a top plan view;

FIG. 6 is a rear levitational view; and,

FIG. 7 is a perspective view of my new design. 

The ornamental design for a battery pack, as shown and described. 